Redirect urls with uppercase letters to their lowercase equivalents.

Rack::Downtime provides a variety of ways to easily trigger and display planned maintenance notifications to users while a site is still up. Various strategies are provided that will work with sites of all sizes.

Rack middleware for ensuring only proper hosts get passed to your application

A tiny middleware that determines whether this request was from the internal network or not.

Rack middleware to set ENVironment variables around your app.

Middleware that displays the custom notification for every html page. Designed to work both in production and in development.

Rack::Ermahgerd is a simple Rack middleware that translates the content of a web page into Ermahgerd-ish

Rack middleware to log request errors and respond with standard message

Rack middleware to check esa webhooks are authentic

Racket is a small MVC framework built on top of rack.

In early 2011 Facebook started to send all application requests as POST. This Rack middleware converts POST requests back to GET when applicable.

Rack middleware to handle events on file modifications

Rack middleware to filter params from HTTP requests

A simple, lightweight Rack middleware to verify Firebase tokens.

Rack::FlashSession converts a session query parameter to a cookie if the request's user agent is flash. http://github.com/bartt/rack-flash-session

Tells Google not to impose Federated Learning of Cohorts (FLoC) on users

Wraps Rack::Static by adding useful headers to serve web fonts.

rack-for_now is a Rack middleware component that redirects project URLs to GitHub, Rubygems and other online service. It allows you to use your domain as the permanent URL of your project while still using these handy 3rd-party services.

Forward requests

If the user visits via a Google Analytics Campaign link, this middleware will track utm_source, utm_content, utm_term, utm_medium, utm_campaign, and time.